SHARP RUNTKB126WJQZ Bluetooth Module 788271865879 DBUB-S705

( Brand: Sharp ), ( Manufacturer Part Number: RUNTKB126WJQZ ), ( Part Type: Module ), ( UPC: 788271865879 )

Review SHARP Bluetooth Module

The **Sharp RUNTKB126WJQZ (DBUB-S705) Bluetooth Module** is a high-performance, versatile wireless communication solution designed for seamless integration into a wide range of electronic devices, from industrial sensors and IoT applications to consumer electronics and automotive systems. This compact yet robust module leverages Sharp s advanced **Bluetooth Low Energy (BLE) 5.0** technology, delivering unparalleled reliability, energy efficiency, and long-range connectivity ideal for applications where power consumption and bandwidth are critical. With a **dual-band capability (2.4 GHz)**, the module ensures stable and interference-resistant communication, even in crowded wireless environments, making it a dependable choice for both indoor and outdoor deployments. Its **low-power design** is particularly advantageous for battery-operated devices, extending operational lifespans while maintaining high-speed data transfer rates of up to **2 Mbps**, ensuring real-time responsiveness for applications like remote monitoring, asset tracking, and smart home automation.

The **DBUB-S705** variant of this module is engineered for industrial and rugged applications, featuring a **wide operating temperature range (-40 C to 85 C)** and enhanced resistance to electromagnetic interference (EMI), which guarantees consistent performance in harsh environments such as manufacturing plants, outdoor sensors, or automotive diagnostics. Its **compact form factor** and **modular design** simplify integration into existing systems, whether through direct soldering or via a flexible PCB interface, while the **onboard antenna** eliminates the need for external components, reducing assembly complexity and cost. The module supports a comprehensive suite of **Bluetooth profiles**, including **BLE, Classic Bluetooth, and A2DP**, allowing developers to tailor connectivity to specific use cases whether it s audio streaming, device pairing, or low-latency data exchange. Additionally, its **secure encryption protocols** (AES-128) ensure data integrity and protection against unauthorized access, making it a trusted component for applications requiring stringent security measures.

For developers and engineers, the **Sharp RUNTKB126WJQZ** offers a **rich set of APIs and SDKs**, enabling rapid prototyping and customization through tools like **Sharp s Bluetooth Stack** or third-party frameworks such as Arduino or STM32Cube. The module s **low latency and high throughput** capabilities make it well-suited for applications like **wearable health monitoring, smart meters, and industrial automation**, where timely data transmission is essential. Its **plug-and-play compatibility** with major operating systems including Windows, Android, and iOS further accelerates development cycles, allowing engineers to deploy solutions quickly without extensive firmware modifications. Whether used in **smart city infrastructure, agricultural monitoring, or consumer electronics**, this Bluetooth module stands out for its **reliability, scalability, and adaptability**, making it a cornerstone for next-generation wireless communication systems.

The **Sharp RUNTKB126WJQZ (DBUB-S705) Bluetooth Module** is a low-power, single-mode Bluetooth 4.2 module designed for IoT applications, particularly in wearables and small devices. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros**

1. **Low Power Consumption**

The module is optimized for battery-powered devices, making it ideal for wearables, sensors, and other low-power applications. It supports deep sleep modes and efficient power management, extending battery life significantly.

2. **Bluetooth 4.2 (BLE) Compatibility**

It operates in the Bluetooth Low Energy (BLE) standard, which is energy-efficient and widely used in IoT ecosystems. This ensures compatibility with most modern smartphones, tablets, and IoT platforms.

3. **Small Form Factor**

The compact size (DBUB-S705 is a breakout board version) makes it suitable for space-constrained designs, such as in wearable devices, key fobs, or small sensors.

4. **Easy Integration**

The module comes with a breakout board (DBUB-S705) that simplifies integration with microcontrollers like Arduino, ESP32, or STM32. It includes headers for easy soldering and prototyping.

5. **Low Cost**

Compared to other BLE modules, this module is relatively affordable, making it accessible for hobbyists, startups, and small-scale IoT projects.

6. **Supports Multiple Profiles**

While primarily a BLE module, it can handle basic Bluetooth profiles, though its primary strength lies in BLE for low-power applications.

7. **Good Documentation and Community Support**

Sharp provides datasheets and application notes, and the module is well-documented in the maker community, aiding in troubleshooting and development.

8. **Reliable Connectivity**

For its class, the module offers stable connections over short to medium ranges (typically up to 10 meters in ideal conditions), which is sufficient for most IoT use cases.

---

### **Cons**

1. **Limited Range**

The maximum range is generally around 10 meters in open space, which may be insufficient for some applications requiring longer distances. Obstacles or interference can further reduce this range.

2. **No Built-in Antenna Options**

The module relies on an external antenna (often a PCB trace or small chip antenna), which may limit performance in certain environments. A higher-gain antenna could improve range but requires additional design effort.

3. **Single-Mode Operation**

It is a single-mode BLE module, meaning it cannot handle both BLE and classic Bluetooth simultaneously. If your project requires dual-mode functionality, you would need a different module.

4. **Limited Processing Power**

The module itself does not include a microcontroller; it requires an external MCU to handle application logic. This means additional hardware is needed for complex operations.

5. **Sensitivity to Interference**

Like all BLE modules, it can be affected by electromagnetic interference (EMI) from other wireless devices (Wi-Fi, Zigbee, etc.), which may disrupt connectivity.

6. **No Built-in Security Features**

While BLE supports encryption (AES-128), the module itself does not handle security key management. Developers must implement security protocols in their firmware.

7. **Limited Data Throughput**

BLE has a lower data rate (up to 1 Mbps) compared to classic Bluetooth or Wi-Fi, which may be a limitation for high-bandwidth applications.

8. **Firmware Limitations**

The module s firmware is not user-upgradeable, meaning you cannot modify its behavior or add new features without replacing the module.

---

### **Conclusion**

The **Sharp RUNTKB126WJQZ (DBUB-S705) Bluetooth Module** is an excellent choice for low-power IoT applications, particularly those involving wearables, sensors, or small devices where battery life and simplicity are priorities. Its low cost, compact size, and BLE compatibility make it a practical option for hobbyists and developers working on basic to moderately complex projects. However, its limitations in range, processing power, and lack of dual-mode support mean it may not be suitable for applications requiring high data throughput, long-range connectivity, or advanced Bluetooth features.

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### **Recommendation**

- You are developing a low-power BLE device (e.g., a fitness tracker, smartwatch, or environmental sensor).

- Your project requires a simple, cost-effective Bluetooth module with minimal additional hardware.

- You are working within a short-range environment (e.g., indoor applications).

- You need a module that is easy to integrate with common microcontrollers like Arduino or ESP32.

- You need long-range connectivity (consider modules like the **nRF52** or **CC2640**).

- Your application requires dual-mode Bluetooth (BLE classic) or high data throughput.

- You are working on a project with complex security or firmware customization needs.

- You need a module with built-in processing power (e.g., a standalone BLE microcontroller like the **ESP32-BLE**).

For most hobbyist and small-scale IoT projects, this module is a solid and cost-effective choice. If your requirements extend beyond its capabilities, consider alternatives like the **nRF52840**, **ESP32-BLE**, or **CC2640** for more flexibility.

Details:

Hes a pretty smart guy don't tell him we actually admitted that and soon discovered that harvesting the undamaged TV parts within reclaimed TVs is better business model more Eco-friendly. We demand quality. Its easier than you think!, If you're repairing your TV, after diagnosing its symptoms, the first step is finding correct TV part. We seek compatibility's.

Let's start your repair journey today. Each of our appliance parts also gets inspected multiple times. Whatever you want. Sharp RUNTKB126WJQZ DBUB-S705 Bluetooth Module: Module, Part Number: RUNTKB126WJQZ, Visible DBUB-S705, Warranty: 180-Day Warranty, Manufacturer FCC ID: NKR-S705, Known model's: Brand: Versions: Sharp: LC-60C7500U, LC-60LE655U, LC-60LE657U, LC-60LE857U, LC-70LE650U, LC-70LE655U, LC-70LE657U, LC-70LE745U, LC-70LE845U, LC-70LE847U, LC-70LE857U, LC-70UD1U, LC-80LE633U, LC-80LE657U, LC-80LE757U, LC-80LE844U, LC-80LE857U, LC-90LE657U, LC-90LE745U.

part #: runtkb126wjqz prices

• $8.00-$29.99

specifications tvboardgo:

• brand: Sharp
• mpn: Runtkb126wjqz
• part type: Module
• upc: 788271865879

general tvboardgo:

• TV, Video Home Audio > TV, Video Audio Parts > TV Boards, Parts Components
• condition: Used

payments tvboardgo:

• credit card: Mastercard
• other
• wallet: Google-pay

returns tvboardgo:

• policy: Returns Accepted
• paid by: Buyer
• time: 30 Days
• method: Money back

shipping tvboardgo:

• service: USPS First Class
• type: Calculated
• transit: 3-5 Days
• carrier: USPS
• cost: $0.00
• class: Standard

offer tvboardgo:

• options: Ship-to-home
• quantity: 3
• started: May 4, 2026
• availability: In Stock
• sold: 0

seller tvboardgo:

• city: Burnsville, Minnesota
• rating: 99.1%
• # reviews: 97142

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